Improvement in harvesters



UNITEDl STATES PATENT OFFICE.

JOHN I. MANNY, OF ROCKFORD, ILLINOIS.

IMPROVEMENT IN HARVESTERS.

Specification forming part of Letters Patent No. 38,054, dated March 31,1863.

Z all whom it may concern,.-

Be it known that I, JOHN P. MANNY, of Rockford, in the county ofWinnebago and State of Illinois, have invented a certain new and usefulImprovement in Gearing for Harvesters, of which lthe following is afull, clear, and exact description, reference being had to theaccompanying drawings, which make part of this specification, and inwhichl Figure l represents a horizontal section` through thedriving-wheel and gearing of a harvester to which m y improvement isapplied; Fig. 2, a View in perspective of the outer side of my improveddriving-wheel, and Fig. 3 a similar view of the other side of the same.

My improvement consistsin mounting the spur-pinion and bevel-wheel uponan overhanging or projecting bearing in such manner that the bevel-wheelsh all be between the driving-wheel and gearing-frame, and yet outsideofthe plane of the driving-wheel, while the crank-shaft has its bearingsupon the frametimber, as hereinafter described, whereby I am enabled tosecure a simple, strong, 4and compact arrangement of the gearing, andconsequently to reduce the width of the gearframe.

In the accompanying drawings a stout frame, A, is shown as encompassinga driving-wheel, B, which turns on suitable bearings in it. Thedriving-wheel has a concave or depression on its outer face, in which aninternal spur-wheel, C, is bolted. A counter-shaft, D, is mounted in along box, E, rmly secured upon the outer frame-timber. A spur-pinion, F,and bevel-wheel G are mounted upon the end of this sha ft. In thisinstance the spurpinion and bevel-wheel are represented as cast in onepiece and with a concavity in the face of the bevel-wheel, into whichthe projecting end of the box or bearing E lits. The spur-wheel Oengages the spur-pinion F, thus driving both it and the bevel-wheel G,which in turn drives a bevel-pinion, H, on a crankshaft, I, mounted insuitable bearings on the gear-frame. Thebevel-wheel and spur-pinion areshown as keyed upon and turning with the counter-shaft, which method Iprefer; but it is obvious that the counter-shaft might be rigidlyfastened to the frame, and the pinion and wheel be made to revolve uponit, if desired.

The following are some of the advantages attained by the use of myimprovement, viz:

First. The outside frame-timber (which was only necessary to support theouter journalbox of the counter-shaft, which box was always outside ofthe bevel-wheel) is dispensed with.

Second. The frame is rendered more compact and strong, and consequentlynot so liable to sag or twist, and thus strain the gearing.

Third. The wheels, being firmly secured together, must always run trueto each other.

Fourth. When thus united, it follows that the driving-power is appliedto the bevelwheel directly from the spur-pinion. The counter-shaft isthus relieved from torsion or strain, and the friction consequentlyreduced.

Fifth. The machine is rendered stronger, cheaper, more simple, compact,and durable, and the attractiveness of its appearance is increased. f

Sixth. By dishing the face of the bevelwheel the length of bearing ofthe countershaft is increased, and its liability to torsion diminished,and dirt and other foreign substances are kept out of the journal.

Seventh. The end of the box and countershaft are brought within theplane of the bevel-wheel, thus bringing the pressure to bear moredirectly upon them.

I deem it unnecessary to describe in detail here the construction of thedriving-wheel, as it is fully described in another application forLetters-Patent of the United States filed simultaneously with this.

I am aware that a bevel-wheel and spurpinion have been used on the sameend of the counter-shaft and within the plane of the driving-wheel, anddo not broadly claim such device; but,

Having thus described the construction and operation of my improvedgearing for harvesters, what I claim therein as new, and described myname.

JOHN l?. MANNY. lVitnesses:

J. SNOWDEN BELL, WM. D. BALDWIN.

